PublicCharterGrades K-12
Rio Valley Charter School
1110 West Kettleman Drive, Suite 10, Lodi, CA 95240-6602(209) 368-4934
Total Students714
Student/Teacher22.47:1
Math Prof.30.92%
Reading Prof.49.86%
Graduation Rate94.9%
School Information
Charter SchoolYes
Magnet SchoolNo
Virtual SchoolNo
CountySan Joaquin
School DistrictLodi Unified School District
Principal / AdminHeather Marshall(209) 368-4934
Founded2010
Free/Reduced Lunch65.41% Eligible
Acceptance Rate100%
Student Demographics
White37.4%
Hispanic36%
Black4.3%
Asian16.5%
Native American2.8%
Pacific Islander1.1%
Two Or More1.8%
Gender Distribution
47.1%
52.9%
Male Female
Students per Grade
Grade 136
Grade 234
Grade 341
Grade 429
Grade 545
Grade 642
Grade 762
Grade 877
Grade 980
Grade 1063
Grade 1172
Grade 1274
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
Holiday Event
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Rio Valley Charter School
Academic Calendar (2026-2027)
July 2026
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August 2026
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September 2026
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October 2026
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November 2026
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December 2026
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January 2027
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February 2027
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March 2027
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April 2027
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May 2027
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June 2027
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Key Dates & Holidays
Independence Day ObservedJul 3
First Day of SchoolJul 24
K-12 Minimum DayAug 26
Labor Day HolidaySep 7
K-12 Minimum DaySep 9
Elementary Only Minimum DaySep 16
Elementary Only Minimum Days (Conference Week)Sep 22
Fall BreakSep 28
K-12 Minimum DayOct 21
Elementary Only Minimum DayNov 4
Veterans DayNov 11
K-12 Minimum DayNov 18
Non-Instructional DaysNov 23
Thanksgiving Day HolidayNov 26
Board Designated HolidayNov 27
K-12 Minimum DayDec 9
K-12 Minimum DayDec 18
Winter RecessDec 21
Christmas Day HolidayDec 25
Board Designated HolidayDec 31
New Year's DayJan 1
K-12 Minimum DayJan 13
Martin Luther King, Jr. DayJan 18
K-12 Minimum DayFeb 3
Lincoln's DayFeb 5
Washington's DayFeb 15
Elementary Only Minimum DayFeb 17
Spring BreakMar 15
K-12 Minimum DayApr 7
K-12 Minimum DayMay 5
Elementary Only Minimum DayMay 19
Last Day of School / K-12 Minimum DayMay 28
Memorial Day HolidayMay 31
Juneteenth HolidayJun 18
Key Dates & Holidays
2026-2027Community Reviews
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